{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002177},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003754","490:4900002179","490:4900001596","490:4900002331","490:4900002160","490:4900003755","490:4900002183","490:4900003896","490:4900002334","490:4900001701","490:4900002178","490:4900003895","490:4900004172","490:4900002187","490:4900002346","487:4870004560","490:4900002778","490:4900002488","496:4960004662","490:4900004173","490:4900002190","490:4900001586","496:4960011642","490:4900001608","490:4900003074"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,496,490,490,490,496,490,490],"twin_sims":[0.8826932314922914,0.8151016029806515,0.8013875301822784,0.7939180736001835,0.786730407439108,0.7378391747066625,0.6823222299377275,0.6644927591104784,0.62418647315883,0.6161979748099828,0.6098291095524211,0.6039233828274377,0.5966674763730806,0.5813150780367882,0.5758233607885758,0.5641769975091963,0.5569376958775518,0.5564373254785159,0.5493098320762763,0.5466308022191068,0.5258196775456134,0.5169905096161128,0.49876345665244726,0.4901520317976241,0.4864401696201871],"twin_dists":[0.06487943804725817,0.08304709458703395,0.08642474136157974,0.08823344341419256,0.08995524516380965,0.10127368999391753,0.11355713841326284,0.11742424892074067,0.12609282754421208,0.12780427973924893,0.12916819372223,0.1304327786705673,0.1319866449299299,0.13527690265038678,0.13645530250207086,0.13895808489642414,0.14051698138832522,0.14062483443144483,0.142162756548524,0.14274165168884206,0.14725693112925747,0.14918398751781245,0.15318841180759593,0.15509424726340004,0.15591878356300176],"n_dims_used":45,"mean_confidence":0.9177807278103298},"coverage":{"mean_confidence":0.9177807278103298,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}